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45384193 = 255717749
BaseRepresentation
bin1010110100100…
…0001000000001
310011101202102001
42231020020001
543104243233
64300424001
71060521301
oct255101001
9104352361
1045384193
11236888a8
1213248001
13953046a
146055601
153eb727d
hex2b48201

45384193 has 4 divisors (see below), whose sum is σ = 45404500. Its totient is φ = 45363888.

The previous prime is 45384191. The next prime is 45384223. The reversal of 45384193 is 39148354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9659664 + 35724529 = 3108^2 + 5977^2 .

It is a cyclic number.

It is not a de Polignac number, because 45384193 - 21 = 45384191 is a prime.

It is a super-2 number, since 2×453841932 = 4119449948522498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45384191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6318 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (11351125).

Almost surely, 245384193 is an apocalyptic number.

It is an amenable number.

45384193 is a deficient number, since it is larger than the sum of its proper divisors (20307).

45384193 is a wasteful number, since it uses less digits than its factorization.

45384193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20306.

The product of its digits is 51840, while the sum is 37.

The square root of 45384193 is about 6736.7791265560. The cubic root of 45384193 is about 356.6987103517.

The spelling of 45384193 in words is "forty-five million, three hundred eighty-four thousand, one hundred ninety-three".

Divisors: 1 2557 17749 45384193